
To set an alarm on your Dostmann Electronic 5020-0111 CO2 Monitor with Data Logger, follow these steps: First, press the MENU button to enter the main menu. Then, use the UP or DOWN buttons to navigate to the "ALARM" option. Press ENTER to select the alarm function. Next, use the UP or DOWN buttons again to toggle the alarm between ON and OFF. Confirm your selection by pressing ENTER. When the alarm is set to ON, the monitor will emit an audible alert if the CO2 level surpasses the set threshold. You can also adjust the threshold levels within the alarm settings to customize the alert level to your specific needs. This feature is designed to help you maintain a safe and healthy indoor environment by providing timely warnings about elevated CO2 levels.


